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Population density: Sierra Leone vs United States compared

Updated on by Georank team

Sierra Leone has a population density of 323 people per square mile compared to 97.3 people in the United States. Sierra Leone has 89,354 sq ft of land per person vs 309,474 sq ft in the United States. Sierra Leone and the United States rank 77th and 149th by population density, respectively.

Population density is calculated as the ratio of population to land area. Sierra Leone has 0.11% of the world's population and 0.05% of all countries' land area, compared to 4.21% of the population and 6.14% of the land area for the United States, making the population density in Sierra Leone 232% higher than in the United States.

Population density by year

Sierra Leone
United States

people per square mile

1x
Year Population density
Sierra Leone United States
2026 323 97.3
2025 317 96.8
2024 310 96.3
2023 304 94.8
2022 297 94.4
2021 290.5 94
2020 283.9 93.9
2019 277.4 93
2018 271.1 92.5
2017 264.8 92.1
2016 258.5 91.5
2015 252.5 90.8
2014 246.7 90.1
2013 240.9 89.5
2012 235.1 88.9
2011 229.2 88.2
2010 223.3 87.6
2009 217.3 86.9
2008 211.5 86.1
2007 206.3 85.2
2006 201.8 84.3
2005 197.4 83.5
2004 192.2 82.8
2003 185.8 82
2002 178.4 81.3
2001 168.4 80.6
2000 158.7 79.8
1999 154.9 79
1998 154.1 78.1
1997 152.6 77.2
1996 150.7 76.3
1995 150 75.4
1994 149.7 74.5
1993 149.2 73.6
1992 149.5 72.6
1991 152.4 71.7
1990 150.6 70.7
1989 144.8 69.8
1988 141.2 69.1
1987 137.4 68.5
1986 133.8 67.9
1985 130.6 67.3
1984 127.7 66.7
1983 124.9 66.1
1982 122.3 65.5
1981 119.8 64.9
1980 117.4 64.1
1979 115.1 63.6
1978 112.9 62.9
1977 110.7 62.3
1976 108.7 61.7
1975 106.7 61.1
1974 104.8 60.5
1973 102.9 59.9
1972 101 59.4
1971 99.2 58.7
1970 97.3 58
1969 95.5 57.3
1968 93.7 56.8
1967 91.9 56.2
1966 90.2 55.6
1965 88.6 54.9
1964 87 54.3
1963 85.5 53.5
1962 84 52.7
1961 82.7 51.9

Data sources: World Bank | Agriculture & Rural Development (1961–2026, retrieved 2026-04-06); U.S. Census Bureau (1961–2025, retrieved 2026-02-08); United Nations | World Population Prospects (2025–2026, retrieved 2026-03-10).

GeoRank.org/population-density/sierra-leone/united-states | CC BY

From 2006 to 2026, population density in Sierra Leone increased by 60%, compared to a 15.3% growth in the United States.

In 2006, Sierra Leone ranked 95th by population density and is 77th now. The United States was 146th in 2006 and ranks 149th out of 197 currently.

Share of urban population by year

Sierra Leone
United States
1x
Year Urban population
Sierra Leone United States
2024 45.4% 80.1%
2023 44.8% 80.1%
2022 44.3% 80%
2021 43.7% 80%
2020 43.2% 80%
2019 42.7% 80.1%
2018 42.2% 80.3%
2017 41.7% 80.4%
2016 41.2% 80.5%
2015 40.8% 80.6%
2014 40.3% 80.6%
2013 39.9% 80.7%
2012 39.5% 80.7%
2011 39% 80.7%
2010 38.6% 80.7%
2009 38.2% 80.7%
2008 37.9% 80.6%
2007 37.5% 80.5%
2006 37.2% 80.4%
2005 36.8% 80.2%
2004 36.5% 80%
2003 36.3% 79.8%
2002 36% 79.5%
2001 35.8% 79.3%
2000 35.5% 79.1%
1999 35.3% 78.8%
1998 35.1% 78.5%
1997 34.9% 78.1%
1996 34.7% 77.7%
1995 34.5% 77.2%
1994 34.3% 76.7%
1993 34.1% 76.3%
1992 33.9% 75.9%
1991 33.7% 75.5%
1990 33.5% 75.3%
1989 33.2% 75.1%
1988 33% 74.8%
1987 32.7% 74.7%
1986 32.4% 74.5%
1985 32.1% 74.3%
1984 31.8% 74.2%
1983 31.4% 74%
1982 31% 73.9%
1981 30.6% 73.8%
1980 30.2% 73.8%
1979 29.8% 73.7%
1978 29.3% 73.7%
1977 28.8% 73.7%
1976 28.3% 73.6%
1975 27.8% 73.6%
1974 27.2% 73.6%
1973 26.6% 73.6%
1972 25.9% 73.6%
1971 25.2% 73.5%
1970 24.4% 73.5%
1969 23.5% 73.4%
1968 22.7% 73.2%
1967 21.9% 73%
1966 21.1% 72.7%
1965 20.3% 72.3%
1964 19.7% 71.9%
1963 19% 71.4%
1962 18.5% 70.9%
1961 18% 70.4%
1960 17.4% 70%

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/population-density/sierra-leone/united-states | CC BY

From 2004 to 2024, the share of urban population changed from 36.5% to 45.4% in Sierra Leone and from 80% to 80.1% in the United States.

Densely populated cities

Sierra Leone
City Population
Freetown 951K
Bo 234K
Kenema 188K
United States
City Population
New York 8.8M
Los Angeles 3.9M
Chicago 2.75M
Houston 2.3M
Phoenix 1.61M
Philadelphia 1.6M
San Antonio 1.43M
San Diego 1.39M
Dallas 1.3M
San Jose 1.01M

Compare countries by 7 more topics

Population density in other countries

1x

Data sources: World Bank | Agriculture & Rural Development (1961–2026, retrieved 2026-04-06); United Nations | World Population Prospects (1961–2026, retrieved 2026-03-10); U.S. Census Bureau (1961–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

GeoRank.org/population-density/sierra-leone/united-states | CC BY

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Data sources:

  1. World Bank | Agriculture & Rural Development (1961–2026, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1961–2026, retrieved 2026-03-10)
  3. U.S. Census Bureau (1961–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2013–2025, retrieved 2026-02-08)

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